his false affidavit was used in court appeals. wayne williams lost each time anyway. >> to this day, is there any question in your mind whom you saw with cater? >> no, there's not. >> it was? >> wayne williams. >> robert henry is not the only one whose story has changed back and forth over the years. so has wayne williams'. at trial, williams testified he was home all evening sick in bed, when henry said he saw him holding hands with cater. now williams says he has a different alibi for that evening. >> yeah, i was at a place called hotlanta records in college park. >> williams says he drove to that office near the atlanta airport. he had taken photos for this poster the night before and went there to turn in this invoice to get paid. >> we delivered a bill and statement of services that we were cut a check for. and it was probably about 9:00 or 9:30 when i left that location. >> we reached hotlanta's owner, melvin ware, now living in los angeles. >> he called in advance and when he came, i went back and wrote the check behind the